ALV Row Editable for specific column

Hi,
I am creating a transaction using ALV - Webdynpro. I would like to enable or disable the row ,(specific column in that row ).
Problem is very similar to the thread posted in the below link.
enable or disable row in alv
Please let me know how to achive the scenario.
Thanks,
Kumar

Hi Kumar,
Have a look at [this thread|How to set some rows in ALV to be editable or some non editable.; in which I have given the complete code to solve your problem. There is one post which explains how to set the cell editor, and one more post explains setting the cell as editable or read only.
You need to bind the read_only property of your node attribute (i.e, whichever column you want this behavior on), to another attribute (say FLD_READ_ONLY) in the same context node. And based on the value in attribute FLD_READ_ONLY, the cell property would be changed. Define this attribute of type char01. So based on your business logic, if you want the cell to be read only, set X in the attribute, and if you want it to be editable, set space.
I hope that would be clear enough. Please revert for any clarifications. Depending on your requirement, if you want the read_only property to change on lead selection, you can get the lead selection index and set the attribute FLD_READ_ONLY = X / space only for that element. This would make only one cell editable at a time.
You could also refer to this recent [thread|ABAP WebDynpro: Can edit a cell in a column?; for the same issue, where you would have some additional pointers.
Regards,
Nithya

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oops!
Sorry, my bad! I did not tell you what I tried. Following your suggestion, I made the following 2 changes to the code:
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Hi everyone. Greetings from Buenos Aires, Argentina.
First of all, I want to apologize for this question in case of it has already been made. The forum is too large to read it completely and I really need the answer, if any, to my trouble.
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In a module in the PBO of the screen 0150, I clear gv_ok_code. In a PAI module, this is what I have put:
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Thanks a lot for the response, Max.
I' ve been testing your answer. When I implemented the code that you suggested, after the first PAI, the table control's columns appear as I want.
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I click on them, but they don't turn yellow. I commented the call of the module inside the LOOP AT itab... of the PBO and I was able to select them once again, so we're sure the problem is caused because of the call to this new module. But why?
Note: you should know, since the table control is with multilpe selection, the LOOP sentence in the PBO is like this:
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